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equinox

/ˈek.wɪ.nɒks/

翻译: 一年中太阳直射赤道的两次天文事件之一,分别发生在春季和秋季,此时全球各地昼夜长度大致相等。

1 个条目

noun

/ˈek.wɪ.nɒks/C1formalscientific
  • zh一年中太阳直射赤道的两次天文事件之一,分别发生在春季和秋季,此时全球各地昼夜长度大致相等。

An astronomical event occurring twice a year when the sun crosses the celestial equator, resulting in nearly equal lengths of day and night across the globe.

  1. Astronomical eventB2formalscientific

    The time or date at which the sun crosses the celestial equator, when day and night are of approximately equal length.

    zh分点

    • The spring equinox marks the beginning of astronomical spring.
    • During the autumnal equinox, day and night are nearly equal.
    • Many cultures celebrate festivals around the equinox.

    反义词solstice

词形
  • equinoxes plural form
  • equinoxes' possessive plural form
  • equinox's possessive singular form